import java.io.FileInputStream;

/**
 * 使用enum关键字定义枚举类
 * 说明：定义的枚举类默认继承于java.lang.Enum类
 */
public class SeasonTest1 {

    public static void main(String[] args) {

        Season1 summer = Season1.SUMMER;
        //toString():返回枚举类对象的名称
        System.out.println(summer.toString());

        //System.out.println(Season1.class.getSuperclass());
        System.out.println("****************");
        //values():返回所有的枚举类对象构成的数组
        Season1[] values = Season1.values();
        for (int i = 0; i < values.length; i++) {
            System.out.println(values[i]);
        }

        //valueOf(String objName):返回枚举类中对象名是objName的对象。
        Season1 winter = Season1.valueOf("WINTER");
        //如果没有objName的枚举类对象，则抛异常：IllegalArgumentException
        //Season1 winter = Season1.valueOf("WINTER1");
        System.out.println(winter);
        winter.show();
        Season1 spring = Season1.valueOf("SPRING");
        spring.show();
    }
}

//使用enum枚举类
enum Season1 implements Info {

    //1.提供当前枚举类的对象，多个对象之间用","隔开，末尾对象";"结束
    SPRING("春天", "春暖花开") {
        @Override
        public void show() {
            System.out.println("春暖花开");
        }
    },
    SUMMER("夏天", "夏日炎炎") {
        @Override
        public void show() {
            System.out.println("夏日炎炎");
        }
    },
    AUTUMN("秋天", "秋高气爽") {
        @Override
        public void show() {
            System.out.println("秋高气爽");
        }
    },
    WINTER("冬天", "冰天雪地") {
        @Override
        public void show() {
            System.out.println("冰天雪地");
        }
    };

    //2.声明Season属性 private final
    private final String seasonName;
    private final String seasonDesc;

    //3.私有化类的构造器,并给对象属性赋值
    private Season1(String seasonName, String seasonDesc) {
        this.seasonName = seasonName;
        this.seasonDesc = seasonDesc;
    }


    //4.其他诉求1：获取枚举类对象的属性
    public String getSeasonName() {
        return seasonName;
    }

    public String getSeasonDesc() {
        return seasonDesc;
    }

    //@Override
    //public void show() {
    //    System.out.println("这是一个季节");
    //}

    //4.其他诉求1：提供toString()
    //@Override
    //public String toString() {
    //    return "Season1{" +
    //            "seasonName='" + seasonName + '\'' +
    //            ", seasonDesc='" + seasonDesc + '\'' +
    //            '}';
    //}
}


interface Info {
    void show();
}